/** 
* @Description: 
* @Param: 
* @return:
* @Author: allan5945@qq.com
* @CreateDate: 2018/10/11 9:49
* @UpdateUser: 更新者
* @UpdateDate: 2018/10/11 9:49
* @UpdateRemark: 更新说明
* @Version: 1.0
*/
(function () {
    var backTop = (function () {
        $("#backTop").click(function () {
            $(document).scrollTop(0);
        });
    })();
})();